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- United States121,730
- China31,076
- Great Britain29,272
- Japan25,741
- Italy24,710
- France22,936
- Germany22,435
- Indonesia18,830
- Europe18,313
- India16,744
- Developing countries14,706
- Spain12,309
- Soviet Union11,978
- Canada10,849
- Mexico10,594
- Latin America10,337
- Brazil10,138
- Russia (Federation)8,109
- South Africa7,685
- Africa7,333